<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>

<frameset bordercolor="red" rows="25%,50%,*" border="5">
    <frame src="page1.html" name="top" />
    <frame src="page2.html" name="middle" />
    <frame src="page3.html" name="bottom" />
</frameset>

<noframes>
<body>
123
</body>
</noframes>

</html>